data management: improve delete prompt

frontend/pages/group/data/units.vue

@@ -124,7 +124,10 @@
       @confirm="deleteUnit"
     >
       <v-card-text>
-        {{ $t("general.confirm-delete-generic") }}
+        <div class="mb-4">
+          {{ $t("general.confirm-delete-generic") }}
+        </div>
+        <p v-if="deleteTarget" class="ml-4">{{ deleteTarget.name }}</p>
       </v-card-text>
     </BaseDialog>
 
@@ -421,6 +424,7 @@ export default defineComponent({
       deleteEventHandler,
       deleteDialog,
       deleteUnit,
+      deleteTarget,
       // Alias Manager
       aliasManagerDialog,
       aliasManagerEventHandler,